DATAEXPERT CORPORATION

EXP3406

Processor        80386DX/CX486DLC/80486SX/AMD80486DX/80486DX/80486DX2
Processor Speed  25/33/40/50(internal)50/66(internal)MHz
Chip Set         OPTI
Max. Onboard DRAM64MB
Cache            64/128/256KB
BIOS             AMI
Dimensions       230mm x 218mm
I/O Options      32-bit VESA local bus slots (2)
NPU Options      CX487SLC/80387DX/CX487DLC

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Power LED & keylock         J1       Turbo LED                   J5

  Speaker                     J2       External battery            J6

  Turbo switch                J3       32-bit VESA Local bus      SL1
                                       slot

  Reset switch                J4       32-bit VESA Local bus      SL2
                                       slot

                        USER CONFIGURABLE SETTINGS

               Function                   Jumper           Position

  »   Factory configured - do not          JP1               Open
      alter

  »   87DLC PQFP enabled                   JP4               Open

      87DLC PQFP disabled                  JP4              Closed

  »   Factory configured - do not          JP12              Open
      alter

  »   Factory configured - do not          JP13              Open
      alter

  »   Monitor type select color            JP21              Open

      Monitor type select monochrome       JP21             Closed

  »   Factory configured - do not          JP23          Unidentified
      alter

  »   Battery type select - lithum         JP26        pins 1 & 2 closed
      discharge

      Battery type select - NI-CAD         JP26        pins 2 & 3 closed
      recharge

  »   New version 80486 DX50MHz            JP28             Closed

      Old version 80486 DX50MHz            JP28              Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 1M x 9      (4) 4M x 9

      20MB        (4) 1M x 9      (4) 4M x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

      64MB        (4) 16M x 9        NONE

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1       U18 (Tag)      U19 (Tag)

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8        NONE

     128KB      (4) 32K x 8        NONE       (1) 8K x 8        NONE

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 8K x 8     (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8       NONE

                        CACHE JUMPER CONFIGURATION

    Size          JP10            JP11           JP16           JP17

    64KB       pins 2 & 3      pins 2 & 3        Open           Open
                 closed          closed

   128KB       pins 1 & 2      pins 1 & 2       Closed          Open
                 closed          closed

   256KB       pins 2 & 3      pins 2 & 3       Closed         Closed
                 closed          closed

                          CPU TYPE CONFIGURATION

      Type           JP14        JP15        JP20       JP25       JP27

  80386DX(PQFP)      Open        Open        2 & 3     1 & 2      1 & 2

  80386DX(PGA)       Open       Closed       2 & 3     1 & 2      1 & 2

  CX486DLC(PGA)      Open       Closed       2 & 3     1 & 2      1 & 2

   80486(PQFP)      Closed       Open        1 & 2     2 & 3      2 & 3

   80486(PGA)       Closed      Closed       1 & 2     2 & 3      2 & 3

  Note:Pins designated should be in the closed position.

                 CPU TYPE CONFIGURATION (INTEL 80486 CPU)

        Type                JP2              JP18              JP19

    80486SX(PQFP)           Open            Closed           pins 2 & 3
                                                              closed

    80486SX(PGA)            Open             Open            pins 2 & 3
                                                              closed

       80487SX           pins 2 & 3         Closed           pins 1 & 2
                           closed                             closed

     80486DX/DX2         pins 1 & 2         Closed           pins 1 & 2
                           closed                             closed

      Overdrive          pins 2 & 3         Closed           pins 1 & 2
                           closed                             closed

           CPU SPEED CONFIGURATION (INTEL 80386 & CX486DLC CPU)

  CPU speed      JP6          JP7         JP8          JP9         JP22

    33MHz       Closed      Closed        Open        2 & 3        Open

    40MHz       Closed      Closed       Closed       2 & 3        Open

  Note:Pins designated should be in the closed position.

                CPU SPEED CONFIGURATION (INTEL 80486 CPU)

  CPU speed      JP6          JP7         JP8          JP9         JP22

    25MHz        Open        Open         Open        1 & 2       Closed

    33MHz        Open        Open        Closed       1 & 2        Open

    40MHz        Open       Closed       Closed       1 & 2        Open

   50iMHz        Open        Open         Open        1 & 2       Closed

    50MHz        Open       Closed        Open        1 & 2        Open

   66iMHz        Open        Open        Closed       1 & 2        Open

  Note:Pins designated should be in the closed position.

                            VESA CONFIGURATION

                 Type                                 JP24

  Standard VESA VGA card in slot SL1           pins 2 & 3 closed

           Other VESA card                     pins 1 & 2 closed

            Note:Other VESA card includes Western Digital VGA31 running
            at 50mhz, Tekram VESA cache IDE, or other special VESA card.